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EM68932DVKB датащи(PDF) 26 Page - Etron Technology, Inc.

номер детали EM68932DVKB
подробное описание детали  4M x 32 Mobile DDR Synchronous DRAM (SDRAM)
PDF  40 Pages
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производитель  ETRON [Etron Technology, Inc.]
домашняя страница  http://www.etron.com
Logo ETRON - Etron Technology, Inc.

EM68932DVKB датащи(HTML) 26 Page - Etron Technology, Inc.

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EtronTech
EM68932DVKB
Etron Confidential
26
Rev. 1.0
Aug. 2009
Figure 16. Non-Consecutive Read Bursts
CL = 2
Don’t Care
READ
NOP
NOP
READ
NOP
NOP
BA, Col n
BA, Col b
CL = 3
Command
Address
DQS
DQ
DQS
DQ
CK
CK
(1) DO n (or b) = Data Out from column n (or column b)
(2) BA Col n (b) = Bank A, Column n (b)
(3) Burst Length = 4; 3 subsequent elements of Data Out appear in the programmed order following DO n (b)
(4) Shown with nominal tAC, tDQSCK and tDQSQ
DO n
DO b
DO n
Figure 17. Random Read Bursts
CL = 2
Don’t Care
DO n
DO n’
DO x
READ
READ
READ
READ
NOP
NOP
BA, Col n
BA, Col x
BA, Col b
BA, Col g
CL = 3
DO n
DO n’
DO x
Command
Address
DQS
DQ
DQS
DQ
CK
CK
(1) DO n, etc. = Data Out from column n, etc.
n’, x’, etc. = Data Out elements, according to the programmed burst order
(2) BA, Col n = Bank A, Column n
(3) Burst Length = 2, 4 or 8 in cases shown (if burst of 4 or 8 , the burst is interrupted)
(4) Reads are to active rows in any banks
DO b’
DO g’
DO g
DO b’
DO b
DO x’
DO x’
DO b



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